In fact, while a strong reduction of the top-Yukawa at the EW scale, \(y_t \ll y_t^{\rm SM}\) , would be at variance with Higgs (production and decay) measurements at the LHC [1]}, [2]}, [3]}, a large modification at the NP scale \(\Lambda _{\rm NP} \gg M_{\rm EW}\) , which is relevant for the HP, remains phenomenologically viable [4]}, [5]}, [6]}, [7]}. At high energies, the top quark would behave more as the other quarks, and only obtain its large Yukawa coupling in the IR, i.e.,
\(y_t (M_{\rm EW}^2) \approx y_t^{\rm SM}(M_{\rm EW}^2)\) , but \(y_t(\Lambda _{\rm NP}^2)\ll y_t^{\rm SM}(M_{\rm EW}^2)\) .
